import 'dart:io';

import 'package:flutter_test/flutter_test.dart';

import 'package:flutter_http_utils/flutter_http_utils.dart';

void main() {
  File? aa;
  print(aa.runtimeType);
  if (aa is File) {
    print("111");
  }
  if (aa is File?) {
    print("222222");
  }
  if (aa.runtimeType == File) {
    print("333333333");
  }
}
